| 安全生产基本知识 | |
| 1 |
36:15 736 |
| 2 |
43:52 495 |
| 3 |
40:33 443 |
| 4 |
41:54 503 |
| 5 |
54:29 492 |
| 6 |
40:52 430 |
| 7 |
57:17 433 |
| 8 |
35:20 479 |
| 9 |
45:07 428 |
| 10 |
45:43 417 |
| 11 |
45:03 463 |
| 12 |
46:07 437 |
| 专业相关基础知识 | |
| 13 |
01:03:54 407 |
| 14 |
49:48 477 |
| 15 |
45:35 435 |
| 16 |
29:46 417 |
| 17 |
46:00 460 |
| 18 |
53:16 472 |
| 19 |
53:15 470 |
| 20 |
51:17 418 |
| 21 |
28:28 464 |
| 22 |
36:56 468 |
汽车式起重机3